/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.handler.admincommandhandlers;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import net.sf.l2j.Config;
import net.sf.l2j.L2DatabaseFactory;
import net.sf.l2j.gameserver.handler.IAdminCommandHandler;
import net.sf.l2j.gameserver.model.L2World;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.network.SystemMessageId;
import net.sf.l2j.gameserver.network.serverpackets.SystemMessage;

/**
 * This class handles following admin commands:
 * - changelvl = change a character's access level
 *  Can be used for character ban (as opposed to regular //ban that affects accounts)
 *  or to grant mod/GM privileges ingame
 * @version $Revision: 1.1.2.2.2.3 $ $Date: 2005/04/11 10:06:00 $
 */
public class AdminChangeAccessLevel implements IAdminCommandHandler
{

private static final String[] ADMIN_COMMANDS =
{
	"admin_changelvl"
};

public boolean useAdminCommand(String command, L2PcInstance activeChar)
{
	
	handleChangeLevel(command, activeChar);
	return true;
}

public String[] getAdminCommandList()
{
	return ADMIN_COMMANDS;
}

/**
 * If no character name is specified, tries to change GM's target access
 * level. Else if a character name is provided, will try to reach it either
 * from L2World or from a database connection.
 * 
 * @param command
 * @param activeChar
 */
private void handleChangeLevel(String command, L2PcInstance activeChar)
{
	String[] parts = command.split(" ");
	if (parts.length == 2)
	{
		try
		{
			int lvl = Integer.parseInt(parts[1]);
			if (activeChar.getTarget() instanceof L2PcInstance)
				onLineChange(activeChar, (L2PcInstance) activeChar.getTarget(), lvl);
			else
				activeChar.sendPacket(new SystemMessage(SystemMessageId.INCORRECT_TARGET));
		}
		catch (Exception e)
		{
			activeChar.sendMessage("Usage: //changelvl <target_new_level> | <player_name> <new_level>");
		}
	}
	else if (parts.length == 3)
	{
		String name = parts[1];
		int lvl = Integer.parseInt(parts[2]);
		L2PcInstance player = L2World.getInstance().getPlayer(name);
		if (player != null)
			onLineChange(activeChar, player, lvl);
		else
		{
			Connection con = null;
			try
			{
				con = L2DatabaseFactory.getInstance().getConnection();
				PreparedStatement statement = con.prepareStatement("UPDATE characters SET accesslevel=? WHERE char_name=?");
				statement.setInt(1, lvl);
				statement.setString(2, name);
				statement.execute();
				int count = statement.getUpdateCount();
				statement.close();
				if (count == 0)
					activeChar.sendMessage("Character not found or access level unaltered.");
				else
					activeChar.sendMessage("Character's access level is now set to " + lvl);
			}
			catch (SQLException se)
			{
				activeChar.sendMessage("SQLException while changing character's access level");
				if (Config.DEBUG)
					se.printStackTrace();
			}
			finally
			{
				try
				{
					con.close();
				}
				catch (Exception e)
				{
				}
			}
		}
	}
}

private void onLineChange(L2PcInstance activeChar, L2PcInstance player, int lvl)
{
	player.setAccessLevel(lvl);
	
	if (lvl > 0)
	{
		player.sendMessage("Your access level has been changed to " + lvl);
		player.getAppearance().setNameColor(player.getAccessLevel().getNameColor());
		player.getAppearance().setTitleColor(player.getAccessLevel().getTitleColor());
		player.broadcastUserInfo();
	}
	else
	{
		player.logout();
	}
	
	activeChar.sendMessage(player.getName()+"'s access level is now set to " + lvl);
}
}
